1). 0.15mm, 0.18mm, 0.2mm and 0.28mm helium quality pvc which is specially customized for helium purpose, it is more elastic and extend life time, meeting en71, sgs related standards, can bear low temperature(about -20¡ã c), do not get crack in the winter. 2). Special customized pvc, more than 8 hours test to make sure no leakage, all which will save your helium expense and last at least 10 days once filled. 3). Extensively placed in all kinds of opening ceremonies, promotion activities, sport activities, rental business, parties, clubs, parks, squares, outdoor entertaniment, and etc, which will bring much advertisement effect... 4). Full digital printing is available, you can get 540x1080 dpi printing from our japanese high resolution digital printing machine. 5). Lighting systems are available 6). Free repair kits with patching material and glue. 7). All of our giant helium advertising balloons are reusable, durable, attractive, versatile, and easy inflate or deflate. 8). We accept other interesting designs from you, and oem service is available. And we also have experienced technicians or designers in the fields of design, quality control, etc... 9). Moq: 1pc 1.Sgs pvc materials 2.Custom sizes&printing